//MooTools, My Object Oriented Javascript Tools. Copyright (c) 2006 Valerio Proietti, <http://mad4milk.net>, MIT Style License.

var MooTools={
    version:'1.11'
};

function $defined(obj){
    return(obj!=undefined);
};

function $type(obj){
    if(!$defined(obj))return false;
    if(obj.htmlElement)return'element';
    var type=typeof obj;
    if(type=='object'&&obj.nodeName){
        switch(obj.nodeType){
            case 1:
                return'element';
            case 3:
                return(/\S/).test(obj.nodeValue)?'textnode':'whitespace';
        }
    }
if(type=='object'||type=='function'){
    switch(obj.constructor){
        case Array:
            return'array';
        case RegExp:
            return'regexp';
        case Class:
            return'class';
    }
    if(typeof obj.length=='number'){
        if(obj.item)return'collection';
        if(obj.callee)return'arguments';
    }
}
return type;
};

function $merge(){
    var mix={};
    
    for(var i=0;i<arguments.length;i++){
        for(var property in arguments[i]){
            var ap=arguments[i][property];
            var mp=mix[property];
            if(mp&&$type(ap)=='object'&&$type(mp)=='object')mix[property]=$merge(mp,ap);else mix[property]=ap;
        }
        }
return mix;
};

var $extend=function(){
    var args=arguments;
    if(!args[1])args=[this,args[0]];
    for(var property in args[1])args[0][property]=args[1][property];return args[0];
};

var $native=function(){
    for(var i=0,l=arguments.length;i<l;i++){
        arguments[i].extend=function(props){
            for(var prop in props){
                if(!this.prototype[prop])this.prototype[prop]=props[prop];
                if(!this[prop])this[prop]=$native.generic(prop);
            }
            };
            
}
};

$native.generic=function(prop){
    return function(bind){
        return this.prototype[prop].apply(bind,Array.prototype.slice.call(arguments,1));
    };

};

$native(Function,Array,String,Number);
function $chk(obj){
    return!!(obj||obj===0);
};

function $pick(obj,picked){
    return $defined(obj)?obj:picked;
};

function $random(min,max){
    return Math.floor(Math.random()*(max-min+1)+min);
};

function $time(){
    return new Date().getTime();
};

function $clear(timer){
    clearTimeout(timer);
    clearInterval(timer);
    return null;
};

var Abstract=function(obj){
    obj=obj||{};
    
    obj.extend=$extend;
    return obj;
};

var Window=new Abstract(window);
var Document=new Abstract(document);
document.head=document.getElementsByTagName('head')[0];
window.xpath=!!(document.evaluate);
if(window.ActiveXObject)window.ie=window[window.XMLHttpRequest?'ie7':'ie6']=true;
else if(document.childNodes&&!document.all&&!navigator.taintEnabled)window.webkit=window[window.xpath?'webkit420':'webkit419']=true;
else if(document.getBoxObjectFor!=null)window.gecko=true;
window.khtml=window.webkit;
Object.extend=$extend;
if(typeof HTMLElement=='undefined'){
    var HTMLElement=function(){};
    
    if(window.webkit)document.createElement("iframe");
    HTMLElement.prototype=(window.webkit)?window["[[DOMElement.prototype]]"]:{};
    
}
HTMLElement.prototype.htmlElement=function(){};
    
if(window.ie6)try{
    document.execCommand("BackgroundImageCache",false,true);
}catch(e){};
    
var Class=function(properties){
    var klass=function(){
        return(arguments[0]!==null&&this.initialize&&$type(this.initialize)=='function')?this.initialize.apply(this,arguments):this;
    };
    
    $extend(klass,this);
    klass.prototype=properties;
    klass.constructor=Class;
    return klass;
};

Class.empty=function(){};
    
Class.prototype={
    extend:function(properties){
        var proto=new this(null);
        for(var property in properties){
            var pp=proto[property];
            proto[property]=Class.Merge(pp,properties[property]);
        }
        return new Class(proto);
    },
    implement:function(){
        for(var i=0,l=arguments.length;i<l;i++)$extend(this.prototype,arguments[i]);
    }
};

Class.Merge=function(previous,current){
    if(previous&&previous!=current){
        var type=$type(current);
        if(type!=$type(previous))return current;
        switch(type){
            case'function':
                var merged=function(){
                this.parent=arguments.callee.parent;
                return current.apply(this,arguments);
            };
            
            merged.parent=previous;
            return merged;
            case'object':
                return $merge(previous,current);
        }
    }
return current;
};

var Chain=new Class({
    chain:function(fn){
        this.chains=this.chains||[];
        this.chains.push(fn);
        return this;
    },
    callChain:function(){
        if(this.chains&&this.chains.length)this.chains.shift().delay(10,this);
    },
    clearChain:function(){
        this.chains=[];
    }
});
var Events=new Class({
    addEvent:function(type,fn){
        if(fn!=Class.empty){
            this.$events=this.$events||{};
            
            this.$events[type]=this.$events[type]||[];
            this.$events[type].include(fn);
        }
        return this;
    },
    fireEvent:function(type,args,delay){
        if(this.$events&&this.$events[type]){
            this.$events[type].each(function(fn){
                fn.create({
                    'bind':this,
                    'delay':delay,
                    'arguments':args
                })();
            },this);
        }
        return this;
    },
    removeEvent:function(type,fn){
        if(this.$events&&this.$events[type])this.$events[type].remove(fn);
        return this;
    }
});
var Options=new Class({
    setOptions:function(){
        this.options=$merge.apply(null,[this.options].extend(arguments));
        if(this.addEvent){
            for(var option in this.options){
                if($type(this.options[option]=='function')&&(/^on[A-Z]/).test(option))this.addEvent(option,this.options[option]);
            }
            }
    return this;
}
});
Array.extend({
    forEach:function(fn,bind){
        for(var i=0,j=this.length;i<j;i++)fn.call(bind,this[i],i,this);
    },
    filter:function(fn,bind){
        var results=[];
        for(var i=0,j=this.length;i<j;i++){
            if(fn.call(bind,this[i],i,this))results.push(this[i]);
        }
        return results;
    },
    map:function(fn,bind){
        var results=[];
        for(var i=0,j=this.length;i<j;i++)results[i]=fn.call(bind,this[i],i,this);
        return results;
    },
    every:function(fn,bind){
        for(var i=0,j=this.length;i<j;i++){
            if(!fn.call(bind,this[i],i,this))return false;
        }
        return true;
    },
    some:function(fn,bind){
        for(var i=0,j=this.length;i<j;i++){
            if(fn.call(bind,this[i],i,this))return true;
        }
        return false;
    },
    indexOf:function(item,from){
        var len=this.length;
        for(var i=(from<0)?Math.max(0,len+from):from||0;i<len;i++){
            if(this[i]===item)return i;
        }
        return-1;
    },
    copy:function(start,length){
        start=start||0;
        if(start<0)start=this.length+start;
        length=length||(this.length-start);
        var newArray=[];
        for(var i=0;i<length;i++)newArray[i]=this[start++];
        return newArray;
    },
    remove:function(item){
        var i=0;
        var len=this.length;
        while(i<len){
            if(this[i]===item){
                this.splice(i,1);
                len--;
            }else{
                i++;
            }
        }
    return this;
},
contains:function(item,from){
    return this.indexOf(item,from)!=-1;
},
associate:function(keys){
    var obj={},length=Math.min(this.length,keys.length);
    for(var i=0;i<length;i++)obj[keys[i]]=this[i];
    return obj;
},
extend:function(array){
    for(var i=0,j=array.length;i<j;i++)this.push(array[i]);
    return this;
},
merge:function(array){
    for(var i=0,l=array.length;i<l;i++)this.include(array[i]);
    return this;
},
include:function(item){
    if(!this.contains(item))this.push(item);
    return this;
},
getRandom:function(){
    return this[$random(0,this.length-1)]||null;
},
getLast:function(){
    return this[this.length-1]||null;
}
});
Array.prototype.each=Array.prototype.forEach;
Array.each=Array.forEach;
function $A(array){
    return Array.copy(array);
};

function $each(iterable,fn,bind){
    if(iterable&&typeof iterable.length=='number'&&$type(iterable)!='object'){
        Array.forEach(iterable,fn,bind);
    }else{
        for(var name in iterable)fn.call(bind||iterable,iterable[name],name);
        }
    };

Array.prototype.test=Array.prototype.contains;
String.extend({
    test:function(regex,params){
        return(($type(regex)=='string')?new RegExp(regex,params):regex).test(this);
    },
    toInt:function(){
        return parseInt(this,10);
    },
    toFloat:function(){
        return parseFloat(this);
    },
    camelCase:function(){
        return this.replace(/-\D/g,function(match){
            return match.charAt(1).toUpperCase();
        });
    },
    hyphenate:function(){
        return this.replace(/\w[A-Z]/g,function(match){
            return(match.charAt(0)+'-'+match.charAt(1).toLowerCase());
        });
    },
    capitalize:function(){
        return this.replace(/\b[a-z]/g,function(match){
            return match.toUpperCase();
        });
    },
    trim:function(){
        return this.replace(/^\s+|\s+$/g,'');
    },
    clean:function(){
        return this.replace(/\s{2,}/g,' ').trim();
    },
    rgbToHex:function(array){
        var rgb=this.match(/\d{1,3}/g);
        return(rgb)?rgb.rgbToHex(array):false;
    },
    hexToRgb:function(array){
        var hex=this.match(/^#?(\w{1,2})(\w{1,2})(\w{1,2})$/);
        return(hex)?hex.slice(1).hexToRgb(array):false;
    },
    contains:function(string,s){
        return(s)?(s+this+s).indexOf(s+string+s)>-1:this.indexOf(string)>-1;
    },
    escapeRegExp:function(){
        return this.replace(/([.*+?^${}()|[\]\/\\])/g,'\\$1');
    }
});
Array.extend({
    rgbToHex:function(array){
        if(this.length<3)return false;
        if(this.length==4&&this[3]==0&&!array)return'transparent';
        var hex=[];
        for(var i=0;i<3;i++){
            var bit=(this[i]-0).toString(16);
            hex.push((bit.length==1)?'0'+bit:bit);
        }
        return array?hex:'#'+hex.join('');
    },
    hexToRgb:function(array){
        if(this.length!=3)return false;
        var rgb=[];
        for(var i=0;i<3;i++){
            rgb.push(parseInt((this[i].length==1)?this[i]+this[i]:this[i],16));
        }
        return array?rgb:'rgb('+rgb.join(',')+')';
    }
});
Function.extend({
    create:function(options){
        var fn=this;
        options=$merge({
            'bind':fn,
            'event':false,
            'arguments':null,
            'delay':false,
            'periodical':false,
            'attempt':false
        },options);
        if($chk(options.arguments)&&$type(options.arguments)!='array')options.arguments=[options.arguments];
        return function(event){
            var args;
            if(options.event){
                event=event||window.event;
                args=[(options.event===true)?event:new options.event(event)];
                if(options.arguments)args.extend(options.arguments);
            }
            else args=options.arguments||arguments;
            var returns=function(){
                return fn.apply($pick(options.bind,fn),args);
            };
            
            if(options.delay)return setTimeout(returns,options.delay);
            if(options.periodical)return setInterval(returns,options.periodical);
            if(options.attempt)try{
                return returns();
            }catch(err){
                return false;
            };
            
            return returns();
        };
    
},
pass:function(args,bind){
    return this.create({
        'arguments':args,
        'bind':bind
    });
},
attempt:function(args,bind){
    return this.create({
        'arguments':args,
        'bind':bind,
        'attempt':true
    })();
},
bind:function(bind,args){
    return this.create({
        'bind':bind,
        'arguments':args
    });
},
bindAsEventListener:function(bind,args){
    return this.create({
        'bind':bind,
        'event':true,
        'arguments':args
    });
},
delay:function(delay,bind,args){
    return this.create({
        'delay':delay,
        'bind':bind,
        'arguments':args
    })();
},
periodical:function(interval,bind,args){
    return this.create({
        'periodical':interval,
        'bind':bind,
        'arguments':args
    })();
}
});
Number.extend({
    toInt:function(){
        return parseInt(this);
    },
    toFloat:function(){
        return parseFloat(this);
    },
    limit:function(min,max){
        return Math.min(max,Math.max(min,this));
    },
    round:function(precision){
        precision=Math.pow(10,precision||0);
        return Math.round(this*precision)/precision;
    },
    times:function(fn){
        for(var i=0;i<this;i++)fn(i);
    }
});
var Element=new Class({
    initialize:function(el,props){
        if($type(el)=='string'){
            if(window.ie&&props&&(props.name||props.type)){
                var name=(props.name)?' name="'+props.name+'"':'';
                var type=(props.type)?' type="'+props.type+'"':'';
                delete props.name;
                delete props.type;
                el='<'+el+name+type+'>';
            }
            el=document.createElement(el);
        }
        el=$(el);
        return(!props||!el)?el:el.set(props);
    }
});
var Elements=new Class({
    initialize:function(elements){
        return(elements)?$extend(elements,this):this;
    }
});
Elements.extend=function(props){
    for(var prop in props){
        this.prototype[prop]=props[prop];
        this[prop]=$native.generic(prop);
    }
    };
    
function $(el){
    if(!el)return null;
    if(el.htmlElement)return Garbage.collect(el);
    if([window,document].contains(el))return el;
    var type=$type(el);
    if(type=='string'){
        el=document.getElementById(el);
        type=(el)?'element':false;
    }
    if(type!='element')return null;
    if(el.htmlElement)return Garbage.collect(el);
    if(['object','embed'].contains(el.tagName.toLowerCase()))return el;
    $extend(el,Element.prototype);
    el.htmlElement=function(){};
    
    return Garbage.collect(el);
};

document.getElementsBySelector=document.getElementsByTagName;
function $$(){
    var elements=[];
    for(var i=0,j=arguments.length;i<j;i++){
        var selector=arguments[i];
        switch($type(selector)){
            case'element':
                elements.push(selector);
            case'boolean':
                break;
            case false:
                break;
            case'string':
                selector=document.getElementsBySelector(selector,true);
            default:
                elements.extend(selector);
        }
    }
return $$.unique(elements);
};

$$.unique=function(array){
    var elements=[];
    for(var i=0,l=array.length;i<l;i++){
        if(array[i].$included)continue;
        var element=$(array[i]);
        if(element&&!element.$included){
            element.$included=true;
            elements.push(element);
        }
    }
for(var n=0,d=elements.length;n<d;n++)elements[n].$included=null;
    return new Elements(elements);
};

Elements.Multi=function(property){
    return function(){
        var args=arguments;
        var items=[];
        var elements=true;
        for(var i=0,j=this.length,returns;i<j;i++){
            returns=this[i][property].apply(this[i],args);
            if($type(returns)!='element')elements=false;
            items.push(returns);
        };
        
        return(elements)?$$.unique(items):items;
    };

};

Element.extend=function(properties){
    for(var property in properties){
        HTMLElement.prototype[property]=properties[property];
        Element.prototype[property]=properties[property];
        Element[property]=$native.generic(property);
        var elementsProperty=(Array.prototype[property])?property+'Elements':property;
        Elements.prototype[elementsProperty]=Elements.Multi(property);
    }
    };
    
Element.extend({
    set:function(props){
        for(var prop in props){
            var val=props[prop];
            switch(prop){
                case'styles':
                    this.setStyles(val);
                    break;
                case'events':
                    if(this.addEvents)this.addEvents(val);
                    break;
                case'properties':
                    this.setProperties(val);
                    break;
                default:
                    this.setProperty(prop,val);
            }
        }
    return this;
},
inject:function(el,where){
    el=$(el);
    switch(where){
        case'before':
            el.parentNode.insertBefore(this,el);
            break;
        case'after':
            var next=el.getNext();
            if(!next)el.parentNode.appendChild(this);else el.parentNode.insertBefore(this,next);
            break;
        case'top':
            var first=el.firstChild;
            if(first){
            el.insertBefore(this,first);
            break;
        }
        default:
            el.appendChild(this);
    }
    return this;
},
injectBefore:function(el){
    return this.inject(el,'before');
},
injectAfter:function(el){
    return this.inject(el,'after');
},
injectInside:function(el){
    return this.inject(el,'bottom');
},
injectTop:function(el){
    return this.inject(el,'top');
},
adopt:function(){
    var elements=[];
    $each(arguments,function(argument){
        elements=elements.concat(argument);
    });
    $$(elements).inject(this);
    return this;
},
remove:function(){
    return this.parentNode.removeChild(this);
},
clone:function(contents){
    var el=$(this.cloneNode(contents!==false));
    if(!el.$events)return el;
    el.$events={};
    
    for(var type in this.$events)el.$events[type]={
        'keys':$A(this.$events[type].keys),
        'values':$A(this.$events[type].values)
        };
        return el.removeEvents();
},
replaceWith:function(el){
    el=$(el);
    this.parentNode.replaceChild(el,this);
    return el;
},
appendText:function(text){
    this.appendChild(document.createTextNode(text));
    return this;
},
hasClass:function(className){
    return this.className.contains(className,' ');
},
addClass:function(className){
    if(!this.hasClass(className))this.className=(this.className+' '+className).clean();
    return this;
},
removeClass:function(className){
    this.className=this.className.replace(new RegExp('(^|\\s)'+className+'(?:\\s|$)'),'$1').clean();
    return this;
},
toggleClass:function(className){
    return this.hasClass(className)?this.removeClass(className):this.addClass(className);
},
setStyle:function(property,value){
    switch(property){
        case'opacity':
            return this.setOpacity(parseFloat(value));
        case'float':
            property=(window.ie)?'styleFloat':'cssFloat';
    }
    property=property.camelCase();
    switch($type(value)){
        case'number':
            if(!['zIndex','zoom'].contains(property))value+='px';
            break;
        case'array':
            value='rgb('+value.join(',')+')';
    }
    this.style[property]=value;
    return this;
},
setStyles:function(source){
    switch($type(source)){
        case'object':
            Element.setMany(this,'setStyle',source);
            break;
        case'string':
            this.style.cssText=source;
    }
    return this;
},
setOpacity:function(opacity){
    if(opacity==0){
        if(this.style.visibility!="hidden")this.style.visibility="hidden";
    }else{
        if(this.style.visibility!="visible")this.style.visibility="visible";
    }
    if(!this.currentStyle||!this.currentStyle.hasLayout)this.style.zoom=1;
    if(window.ie)this.style.filter=(opacity==1)?'':"alpha(opacity="+opacity*100+")";
    this.style.opacity=this.$tmp.opacity=opacity;
    return this;
},
getStyle:function(property){
    property=property.camelCase();
    var result=this.style[property];
    if(!$chk(result)){
        if(property=='opacity')return this.$tmp.opacity;
        result=[];
        for(var style in Element.Styles){
            if(property==style){
                Element.Styles[style].each(function(s){
                    var style=this.getStyle(s);
                    result.push(parseInt(style)?style:'0px');
                },this);
                if(property=='border'){
                    var every=result.every(function(bit){
                        return(bit==result[0]);
                    });
                    return(every)?result[0]:false;
                }
                return result.join(' ');
            }
        }
    if(property.contains('border')){
        if(Element.Styles.border.contains(property)){
            return['Width','Style','Color'].map(function(p){
                return this.getStyle(property+p);
            },this).join(' ');
        }else if(Element.borderShort.contains(property)){
            return['Top','Right','Bottom','Left'].map(function(p){
                return this.getStyle('border'+p+property.replace('border',''));
            },this).join(' ');
        }
    }
if(document.defaultView)result=document.defaultView.getComputedStyle(this,null).getPropertyValue(property.hyphenate());
    else if(this.currentStyle)result=this.currentStyle[property];
    }
    if(window.ie)result=Element.fixStyle(property,result,this);
    if(result&&property.test(/color/i)&&result.contains('rgb')){
        return result.split('rgb').splice(1,4).map(function(color){
            return color.rgbToHex();
        }).join(' ');
    }
    return result;
},
getStyles:function(){
    return Element.getMany(this,'getStyle',arguments);
},
walk:function(brother,start){
    brother+='Sibling';
    var el=(start)?this[start]:this[brother];
    while(el&&$type(el)!='element')el=el[brother];
    return $(el);
},
getPrevious:function(){
    return this.walk('previous');
},
getNext:function(){
    return this.walk('next');
},
getFirst:function(){
    return this.walk('next','firstChild');
},
getLast:function(){
    return this.walk('previous','lastChild');
},
getParent:function(){
    return $(this.parentNode);
},
getChildren:function(){
    return $$(this.childNodes);
},
hasChild:function(el){
    return!!$A(this.getElementsByTagName('*')).contains(el);
},
getProperty:function(property){
    var index=Element.Properties[property];
    if(index)return this[index];
    var flag=Element.PropertiesIFlag[property]||0;
    if(!window.ie||flag)return this.getAttribute(property,flag);
    var node=this.attributes[property];
    return(node)?node.nodeValue:null;
},
removeProperty:function(property){
    var index=Element.Properties[property];
    if(index)this[index]='';else this.removeAttribute(property);
    return this;
},
getProperties:function(){
    return Element.getMany(this,'getProperty',arguments);
},
setProperty:function(property,value){
    var index=Element.Properties[property];
    if(index)this[index]=value;else this.setAttribute(property,value);
    return this;
},
setProperties:function(source){
    return Element.setMany(this,'setProperty',source);
},
setHTML:function(){
    this.innerHTML=$A(arguments).join('');
    return this;
},
setText:function(text){
    var tag=this.getTag();
    if(['style','script'].contains(tag)){
        if(window.ie){
            if(tag=='style')this.styleSheet.cssText=text;
            else if(tag=='script')this.setProperty('text',text);
            return this;
        }else{
            this.removeChild(this.firstChild);
            return this.appendText(text);
        }
    }
this[$defined(this.innerText)?'innerText':'textContent']=text;
return this;
},
getText:function(){
    var tag=this.getTag();
    if(['style','script'].contains(tag)){
        if(window.ie){
            if(tag=='style')return this.styleSheet.cssText;
            else if(tag=='script')return this.getProperty('text');
        }else{
            return this.innerHTML;
        }
    }
return($pick(this.innerText,this.textContent));
},
getTag:function(){
    return this.tagName.toLowerCase();
},
empty:function(){
    Garbage.trash(this.getElementsByTagName('*'));
    return this.setHTML('');
}
});
Element.fixStyle=function(property,result,element){
    if($chk(parseInt(result)))return result;
    if(['height','width'].contains(property)){
        var values=(property=='width')?['left','right']:['top','bottom'];
        var size=0;
        values.each(function(value){
            size+=element.getStyle('border-'+value+'-width').toInt()+element.getStyle('padding-'+value).toInt();
        });
        return element['offset'+property.capitalize()]-size+'px';
    }else if(property.test(/border(.+)Width|margin|padding/)){
        return'0px';
    }
    return result;
};

Element.Styles={
    'border':[],
    'padding':[],
    'margin':[]
};

['Top','Right','Bottom','Left'].each(function(direction){
    for(var style in Element.Styles)Element.Styles[style].push(style+direction);
    });
Element.borderShort=['borderWidth','borderStyle','borderColor'];
Element.getMany=function(el,method,keys){
    var result={};
    
    $each(keys,function(key){
        result[key]=el[method](key);
    });
    return result;
};

Element.setMany=function(el,method,pairs){
    for(var key in pairs)el[method](key,pairs[key]);return el;
};

Element.Properties=new Abstract({
    'class':'className',
    'for':'htmlFor',
    'colspan':'colSpan',
    'rowspan':'rowSpan',
    'accesskey':'accessKey',
    'tabindex':'tabIndex',
    'maxlength':'maxLength',
    'readonly':'readOnly',
    'frameborder':'frameBorder',
    'value':'value',
    'disabled':'disabled',
    'checked':'checked',
    'multiple':'multiple',
    'selected':'selected'
});
Element.PropertiesIFlag={
    'href':2,
    'src':2
};

Element.Methods={
    Listeners:{
        addListener:function(type,fn){
            if(this.addEventListener)this.addEventListener(type,fn,false);else this.attachEvent('on'+type,fn);
            return this;
        },
        removeListener:function(type,fn){
            if(this.removeEventListener)this.removeEventListener(type,fn,false);else this.detachEvent('on'+type,fn);
            return this;
        }
    }
};

window.extend(Element.Methods.Listeners);
document.extend(Element.Methods.Listeners);
Element.extend(Element.Methods.Listeners);
var Garbage={
    elements:[],
    collect:function(el){
        if(!el.$tmp){
            Garbage.elements.push(el);
            el.$tmp={
                'opacity':1
            };
        
    }
    return el;
},
trash:function(elements){
    for(var i=0,j=elements.length,el;i<j;i++){
        if(!(el=elements[i])||!el.$tmp)continue;
        if(el.$events)el.fireEvent('trash').removeEvents();
        for(var p in el.$tmp)el.$tmp[p]=null;for(var d in Element.prototype)el[d]=null;Garbage.elements[Garbage.elements.indexOf(el)]=null;
        el.htmlElement=el.$tmp=el=null;
    }
    Garbage.elements.remove(null);
},
empty:function(){
    Garbage.collect(window);
    Garbage.collect(document);
    Garbage.trash(Garbage.elements);
}
};

window.addListener('beforeunload',function(){
    window.addListener('unload',Garbage.empty);
    if(window.ie)window.addListener('unload',CollectGarbage);
});
var Event=new Class({
    initialize:function(event){
        if(event&&event.$extended)return event;
        this.$extended=true;
        event=event||window.event;
        this.event=event;
        this.type=event.type;
        this.target=event.target||event.srcElement;
        if(this.target.nodeType==3)this.target=this.target.parentNode;
        this.shift=event.shiftKey;
        this.control=event.ctrlKey;
        this.alt=event.altKey;
        this.meta=event.metaKey;
        if(['DOMMouseScroll','mousewheel'].contains(this.type)){
            this.wheel=(event.wheelDelta)?event.wheelDelta/120:-(event.detail||0)/3;
        }else if(this.type.contains('key')){
            this.code=event.which||event.keyCode;
            for(var name in Event.keys){
                if(Event.keys[name]==this.code){
                    this.key=name;
                    break;
                }
            }
        if(this.type=='keydown'){
            var fKey=this.code-111;
            if(fKey>0&&fKey<13)this.key='f'+fKey;
        }
        this.key=this.key||String.fromCharCode(this.code).toLowerCase();
    }else if(this.type.test(/(click|mouse|menu)/)){
        this.page={
            'x':event.pageX||event.clientX+document.documentElement.scrollLeft,
            'y':event.pageY||event.clientY+document.documentElement.scrollTop
            };
            
        this.client={
            'x':event.pageX?event.pageX-window.pageXOffset:event.clientX,
            'y':event.pageY?event.pageY-window.pageYOffset:event.clientY
            };
            
        this.rightClick=(event.which==3)||(event.button==2);
        switch(this.type){
            case'mouseover':
                this.relatedTarget=event.relatedTarget||event.fromElement;
                break;
            case'mouseout':
                this.relatedTarget=event.relatedTarget||event.toElement;
        }
        this.fixRelatedTarget();
    }
    return this;
},
stop:function(){
    return this.stopPropagation().preventDefault();
},
stopPropagation:function(){
    if(this.event.stopPropagation)this.event.stopPropagation();else this.event.cancelBubble=true;
    return this;
},
preventDefault:function(){
    if(this.event.preventDefault)this.event.preventDefault();else this.event.returnValue=false;
    return this;
}
});
Event.fix={
    relatedTarget:function(){
        if(this.relatedTarget&&this.relatedTarget.nodeType==3)this.relatedTarget=this.relatedTarget.parentNode;
    },
    relatedTargetGecko:function(){
        try{
            Event.fix.relatedTarget.call(this);
        }catch(e){
            this.relatedTarget=this.target;
        }
    }
};

Event.prototype.fixRelatedTarget=(window.gecko)?Event.fix.relatedTargetGecko:Event.fix.relatedTarget;
Event.keys=new Abstract({
    'enter':13,
    'up':38,
    'down':40,
    'left':37,
    'right':39,
    'esc':27,
    'space':32,
    'backspace':8,
    'tab':9,
    'delete':46
});
Element.Methods.Events={
    addEvent:function(type,fn){
        this.$events=this.$events||{};
        
        this.$events[type]=this.$events[type]||{
            'keys':[],
            'values':[]
        };
        
        if(this.$events[type].keys.contains(fn))return this;
        this.$events[type].keys.push(fn);
        var realType=type;
        var custom=Element.Events[type];
        if(custom){
            if(custom.add)custom.add.call(this,fn);
            if(custom.map)fn=custom.map;
            if(custom.type)realType=custom.type;
        }
        if(!this.addEventListener)fn=fn.create({
            'bind':this,
            'event':true
        });
        this.$events[type].values.push(fn);
        return(Element.NativeEvents.contains(realType))?this.addListener(realType,fn):this;
    },
    removeEvent:function(type,fn){
        if(!this.$events||!this.$events[type])return this;
        var pos=this.$events[type].keys.indexOf(fn);
        if(pos==-1)return this;
        var key=this.$events[type].keys.splice(pos,1)[0];
        var value=this.$events[type].values.splice(pos,1)[0];
        var custom=Element.Events[type];
        if(custom){
            if(custom.remove)custom.remove.call(this,fn);
            if(custom.type)type=custom.type;
        }
        return(Element.NativeEvents.contains(type))?this.removeListener(type,value):this;
    },
    addEvents:function(source){
        return Element.setMany(this,'addEvent',source);
    },
    removeEvents:function(type){
        if(!this.$events)return this;
        if(!type){
            for(var evType in this.$events)this.removeEvents(evType);this.$events=null;
        }else if(this.$events[type]){
            this.$events[type].keys.each(function(fn){
                this.removeEvent(type,fn);
            },this);
            this.$events[type]=null;
        }
        return this;
    },
    fireEvent:function(type,args,delay){
        if(this.$events&&this.$events[type]){
            this.$events[type].keys.each(function(fn){
                fn.create({
                    'bind':this,
                    'delay':delay,
                    'arguments':args
                })();
            },this);
        }
        return this;
    },
    cloneEvents:function(from,type){
        if(!from.$events)return this;
        if(!type){
            for(var evType in from.$events)this.cloneEvents(from,evType);
            }else if(from.$events[type]){
            from.$events[type].keys.each(function(fn){
                this.addEvent(type,fn);
            },this);
        }
        return this;
    }
};

window.extend(Element.Methods.Events);
document.extend(Element.Methods.Events);
Element.extend(Element.Methods.Events);
Element.Events=new Abstract({
    'mouseenter':{
        type:'mouseover',
        map:function(event){
            event=new Event(event);
            if(event.relatedTarget!=this&&!this.hasChild(event.relatedTarget))this.fireEvent('mouseenter',event);
        }
    },
'mouseleave':{
    type:'mouseout',
    map:function(event){
        event=new Event(event);
        if(event.relatedTarget!=this&&!this.hasChild(event.relatedTarget))this.fireEvent('mouseleave',event);
    }
},
'mousewheel':{
    type:(window.gecko)?'DOMMouseScroll':'mousewheel'
    }
});
Element.NativeEvents=['click','dblclick','mouseup','mousedown','mousewheel','DOMMouseScroll','mouseover','mouseout','mousemove','keydown','keypress','keyup','load','unload','beforeunload','resize','move','focus','blur','change','submit','reset','select','error','abort','contextmenu','scroll'];
Function.extend({
    bindWithEvent:function(bind,args){
        return this.create({
            'bind':bind,
            'arguments':args,
            'event':Event
        });
    }
});
Elements.extend({
    filterByTag:function(tag){
        return new Elements(this.filter(function(el){
            return(Element.getTag(el)==tag);
        }));
    },
    filterByClass:function(className,nocash){
        var elements=this.filter(function(el){
            return(el.className&&el.className.contains(className,' '));
        });
        return(nocash)?elements:new Elements(elements);
    },
    filterById:function(id,nocash){
        var elements=this.filter(function(el){
            return(el.id==id);
        });
        return(nocash)?elements:new Elements(elements);
    },
    filterByAttribute:function(name,operator,value,nocash){
        var elements=this.filter(function(el){
            var current=Element.getProperty(el,name);
            if(!current)return false;
            if(!operator)return true;
            switch(operator){
                case'=':
                    return(current==value);
                case'*=':
                    return(current.contains(value));
                case'^=':
                    return(current.substr(0,value.length)==value);
                case'$=':
                    return(current.substr(current.length-value.length)==value);
                case'!=':
                    return(current!=value);
                case'~=':
                    return current.contains(value,' ');
            }
            return false;
        });
        return(nocash)?elements:new Elements(elements);
    }
});
function $E(selector,filter){
    return($(filter)||document).getElement(selector);
};

function $ES(selector,filter){
    return($(filter)||document).getElementsBySelector(selector);
};

$$.shared={
    'regexp':/^(\w*|\*)(?:#([\w-]+)|\.([\w-]+))?(?:\[(\w+)(?:([!*^$]?=)["']?([^"'\]]*)["']?)?])?$/,
    'xpath':{
        getParam:function(items,context,param,i){
            var temp=[context.namespaceURI?'xhtml:':'',param[1]];
            if(param[2])temp.push('[@id="',param[2],'"]');
            if(param[3])temp.push('[contains(concat(" ", @class, " "), " ',param[3],' ")]');
            if(param[4]){
                if(param[5]&&param[6]){
                    switch(param[5]){
                        case'*=':
                            temp.push('[contains(@',param[4],', "',param[6],'")]');
                            break;
                        case'^=':
                            temp.push('[starts-with(@',param[4],', "',param[6],'")]');
                            break;
                        case'$=':
                            temp.push('[substring(@',param[4],', string-length(@',param[4],') - ',param[6].length,' + 1) = "',param[6],'"]');
                            break;
                        case'=':
                            temp.push('[@',param[4],'="',param[6],'"]');
                            break;
                        case'!=':
                            temp.push('[@',param[4],'!="',param[6],'"]');
                    }
                }else{
                temp.push('[@',param[4],']');
            }
        }
    items.push(temp.join(''));
    return items;
},
getItems:function(items,context,nocash){
    var elements=[];
    var xpath=document.evaluate('.//'+items.join('//'),context,$$.shared.resolver,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null);
    for(var i=0,j=xpath.snapshotLength;i<j;i++)elements.push(xpath.snapshotItem(i));
    return(nocash)?elements:new Elements(elements.map($));
}
},
'normal':{
    getParam:function(items,context,param,i){
        if(i==0){
            if(param[2]){
                var el=context.getElementById(param[2]);
                if(!el||((param[1]!='*')&&(Element.getTag(el)!=param[1])))return false;
                items=[el];
            }else{
                items=$A(context.getElementsByTagName(param[1]));
            }
        }else{
        items=$$.shared.getElementsByTagName(items,param[1]);
        if(param[2])items=Elements.filterById(items,param[2],true);
    }
    if(param[3])items=Elements.filterByClass(items,param[3],true);
    if(param[4])items=Elements.filterByAttribute(items,param[4],param[5],param[6],true);
    return items;
},
getItems:function(items,context,nocash){
    return(nocash)?items:$$.unique(items);
}
},
resolver:function(prefix){
    return(prefix=='xhtml')?'http://www.w3.org/1999/xhtml':false;
},
getElementsByTagName:function(context,tagName){
    var found=[];
    for(var i=0,j=context.length;i<j;i++)found.extend(context[i].getElementsByTagName(tagName));
    return found;
}
};

$$.shared.method=(window.xpath)?'xpath':'normal';
Element.Methods.Dom={
    getElements:function(selector,nocash){
        var items=[];
        selector=selector.trim().split(' ');
        for(var i=0,j=selector.length;i<j;i++){
            var sel=selector[i];
            var param=sel.match($$.shared.regexp);
            if(!param)break;
            param[1]=param[1]||'*';
            var temp=$$.shared[$$.shared.method].getParam(items,this,param,i);
            if(!temp)break;
            items=temp;
        }
        return $$.shared[$$.shared.method].getItems(items,this,nocash);
    },
    getElement:function(selector){
        return $(this.getElements(selector,true)[0]||false);
    },
    getElementsBySelector:function(selector,nocash){
        var elements=[];
        selector=selector.split(',');
        for(var i=0,j=selector.length;i<j;i++)elements=elements.concat(this.getElements(selector[i],true));
        return(nocash)?elements:$$.unique(elements);
    }
};

Element.extend({
    getElementById:function(id){
        var el=document.getElementById(id);
        if(!el)return false;
        for(var parent=el.parentNode;parent!=this;parent=parent.parentNode){
            if(!parent)return false;
        }
        return el;
    },
    getElementsByClassName:function(className){
        return this.getElements('.'+className);
    }
});
document.extend(Element.Methods.Dom);
Element.extend(Element.Methods.Dom);
Element.extend({
    getValue:function(){
        switch(this.getTag()){
            case'select':
                var values=[];
                $each(this.options,function(option){
                if(option.selected)values.push($pick(option.value,option.text));
            });
            return(this.multiple)?values:values[0];
            case'input':
                if(!(this.checked&&['checkbox','radio'].contains(this.type))&&!['hidden','text','password'].contains(this.type))break;case'textarea':
                return this.value;
        }
        return false;
    },
    getFormElements:function(){
        return $$(this.getElementsByTagName('input'),this.getElementsByTagName('select'),this.getElementsByTagName('textarea'));
    },
    toQueryString:function(){
        var queryString=[];
        this.getFormElements().each(function(el){
            var name=el.name;
            var value=el.getValue();
            if(value===false||!name||el.disabled)return;
            var qs=function(val){
                queryString.push(name+'='+encodeURIComponent(val));
            };
            
            if($type(value)=='array')value.each(qs);else qs(value);
        });
        return queryString.join('&');
    }
});
Element.extend({
    scrollTo:function(x,y){
        this.scrollLeft=x;
        this.scrollTop=y;
    },
    getSize:function(){
        return{
            'scroll':{
                'x':this.scrollLeft,
                'y':this.scrollTop
                },
            'size':{
                'x':this.offsetWidth,
                'y':this.offsetHeight
                },
            'scrollSize':{
                'x':this.scrollWidth,
                'y':this.scrollHeight
                }
            };
    
},
getPosition:function(overflown){
    overflown=overflown||[];
    var el=this,left=0,top=0;
    do{
        left+=el.offsetLeft||0;
        top+=el.offsetTop||0;
        el=el.offsetParent;
    }while(el);
    overflown.each(function(element){
        left-=element.scrollLeft||0;
        top-=element.scrollTop||0;
    });
    return{
        'x':left,
        'y':top
    };

},
getTop:function(overflown){
    return this.getPosition(overflown).y;
},
getLeft:function(overflown){
    return this.getPosition(overflown).x;
},
getCoordinates:function(overflown){
    var position=this.getPosition(overflown);
    var obj={
        'width':this.offsetWidth,
        'height':this.offsetHeight,
        'left':position.x,
        'top':position.y
        };
        
    obj.right=obj.left+obj.width;
    obj.bottom=obj.top+obj.height;
    return obj;
}
});
Element.Events.domready={
    add:function(fn){
        if(window.loaded){
            fn.call(this);
            return;
        }
        var domReady=function(){
            if(window.loaded)return;
            window.loaded=true;
            window.timer=$clear(window.timer);
            this.fireEvent('domready');
        }.bind(this);
        if(document.readyState&&window.webkit){
            window.timer=function(){
                if(['loaded','complete'].contains(document.readyState))domReady();
            }.periodical(50);
        }else if(document.readyState&&window.ie){
            if(!$('ie_ready')){
                var src=(window.location.protocol=='https:')?'://0':'javascript:void(0)';
                document.write('<script id="ie_ready" defer src="'+src+'"><\/script>');
                $('ie_ready').onreadystatechange=function(){
                    if(this.readyState=='complete')domReady();
                };
            
        }
    }else{
    window.addListener("load",domReady);
    document.addListener("DOMContentLoaded",domReady);
}
}
};

window.onDomReady=function(fn){
    return this.addEvent('domready',fn);
};

window.extend({
    getWidth:function(){
        if(this.webkit419)return this.innerWidth;
        if(this.opera)return document.body.clientWidth;
        return document.documentElement.clientWidth;
    },
    getHeight:function(){
        if(this.webkit419)return this.innerHeight;
        if(this.opera)return document.body.clientHeight;
        return document.documentElement.clientHeight;
    },
    getScrollWidth:function(){
        if(this.ie)return Math.max(document.documentElement.offsetWidth,document.documentElement.scrollWidth);
        if(this.webkit)return document.body.scrollWidth;
        return document.documentElement.scrollWidth;
    },
    getScrollHeight:function(){
        if(this.ie)return Math.max(document.documentElement.offsetHeight,document.documentElement.scrollHeight);
        if(this.webkit)return document.body.scrollHeight;
        return document.documentElement.scrollHeight;
    },
    getScrollLeft:function(){
        return this.pageXOffset||document.documentElement.scrollLeft;
    },
    getScrollTop:function(){
        return this.pageYOffset||document.documentElement.scrollTop;
    },
    getSize:function(){
        return{
            'size':{
                'x':this.getWidth(),
                'y':this.getHeight()
                },
            'scrollSize':{
                'x':this.getScrollWidth(),
                'y':this.getScrollHeight()
                },
            'scroll':{
                'x':this.getScrollLeft(),
                'y':this.getScrollTop()
                }
            };
    
},
getPosition:function(){
    return{
        'x':0,
        'y':0
    };

}
});
var Fx={};

Fx.Base=new Class({
    options:{
        onStart:Class.empty,
        onComplete:Class.empty,
        onCancel:Class.empty,
        transition:function(p){
            return-(Math.cos(Math.PI*p)-1)/2;
        },
        duration:500,
        unit:'px',
        wait:true,
        fps:50
    },
    initialize:function(options){
        this.element=this.element||null;
        this.setOptions(options);
        if(this.options.initialize)this.options.initialize.call(this);
    },
    step:function(){
        var time=$time();
        if(time<this.time+this.options.duration){
            this.delta=this.options.transition((time-this.time)/this.options.duration);
            this.setNow();
            this.increase();
        }else{
            this.stop(true);
            this.set(this.to);
            this.fireEvent('onComplete',this.element,10);
            this.callChain();
        }
    },
set:function(to){
    this.now=to;
    this.increase();
    return this;
},
setNow:function(){
    this.now=this.compute(this.from,this.to);
},
compute:function(from,to){
    return(to-from)*this.delta+from;
},
start:function(from,to){
    if(!this.options.wait)this.stop();
    else if(this.timer)return this;
    this.from=from;
    this.to=to;
    this.change=this.to-this.from;
    this.time=$time();
    this.timer=this.step.periodical(Math.round(1000/this.options.fps),this);
    this.fireEvent('onStart',this.element);
    return this;
},
stop:function(end){
    if(!this.timer)return this;
    this.timer=$clear(this.timer);
    if(!end)this.fireEvent('onCancel',this.element);
    return this;
},
custom:function(from,to){
    return this.start(from,to);
},
clearTimer:function(end){
    return this.stop(end);
}
});
Fx.Base.implement(new Chain,new Events,new Options);
Fx.CSS={
    select:function(property,to){
        if(property.test(/color/i))return this.Color;
        var type=$type(to);
        if((type=='array')||(type=='string'&&to.contains(' ')))return this.Multi;
        return this.Single;
    },
    parse:function(el,property,fromTo){
        if(!fromTo.push)fromTo=[fromTo];
        var from=fromTo[0],to=fromTo[1];
        if(!$chk(to)){
            to=from;
            from=el.getStyle(property);
        }
        var css=this.select(property,to);
        return{
            'from':css.parse(from),
            'to':css.parse(to),
            'css':css
        };
    
}
};

Fx.CSS.Single={
    parse:function(value){
        return parseFloat(value);
    },
    getNow:function(from,to,fx){
        return fx.compute(from,to);
    },
    getValue:function(value,unit,property){
        if(unit=='px'&&property!='opacity')value=Math.round(value);
        return value+unit;
    }
};

Fx.CSS.Multi={
    parse:function(value){
        return value.push?value:value.split(' ').map(function(v){
            return parseFloat(v);
        });
    },
    getNow:function(from,to,fx){
        var now=[];
        for(var i=0;i<from.length;i++)now[i]=fx.compute(from[i],to[i]);
        return now;
    },
    getValue:function(value,unit,property){
        if(unit=='px'&&property!='opacity')value=value.map(Math.round);
        return value.join(unit+' ')+unit;
    }
};

Fx.CSS.Color={
    parse:function(value){
        return value.push?value:value.hexToRgb(true);
    },
    getNow:function(from,to,fx){
        var now=[];
        for(var i=0;i<from.length;i++)now[i]=Math.round(fx.compute(from[i],to[i]));
        return now;
    },
    getValue:function(value){
        return'rgb('+value.join(',')+')';
    }
};

Fx.Style=Fx.Base.extend({
    initialize:function(el,property,options){
        this.element=$(el);
        this.property=property;
        this.parent(options);
    },
    hide:function(){
        return this.set(0);
    },
    setNow:function(){
        this.now=this.css.getNow(this.from,this.to,this);
    },
    set:function(to){
        this.css=Fx.CSS.select(this.property,to);
        return this.parent(this.css.parse(to));
    },
    start:function(from,to){
        if(this.timer&&this.options.wait)return this;
        var parsed=Fx.CSS.parse(this.element,this.property,[from,to]);
        this.css=parsed.css;
        return this.parent(parsed.from,parsed.to);
    },
    increase:function(){
        this.element.setStyle(this.property,this.css.getValue(this.now,this.options.unit,this.property));
    }
});
Element.extend({
    effect:function(property,options){
        return new Fx.Style(this,property,options);
    }
});
Fx.Styles=Fx.Base.extend({
    initialize:function(el,options){
        this.element=$(el);
        this.parent(options);
    },
    setNow:function(){
        for(var p in this.from)this.now[p]=this.css[p].getNow(this.from[p],this.to[p],this);
        },
    set:function(to){
        var parsed={};
        
        this.css={};
        
        for(var p in to){
            this.css[p]=Fx.CSS.select(p,to[p]);
            parsed[p]=this.css[p].parse(to[p]);
        }
        return this.parent(parsed);
    },
    start:function(obj){
        if(this.timer&&this.options.wait)return this;
        this.now={};
        
        this.css={};
        
        var from={},to={};
        
        for(var p in obj){
            var parsed=Fx.CSS.parse(this.element,p,obj[p]);
            from[p]=parsed.from;
            to[p]=parsed.to;
            this.css[p]=parsed.css;
        }
        return this.parent(from,to);
    },
    increase:function(){
        for(var p in this.now)this.element.setStyle(p,this.css[p].getValue(this.now[p],this.options.unit,p));
        }
    });
Element.extend({
    effects:function(options){
        return new Fx.Styles(this,options);
    }
});
Fx.Elements=Fx.Base.extend({
    initialize:function(elements,options){
        this.elements=$$(elements);
        this.parent(options);
    },
    setNow:function(){
        for(var i in this.from){
            var iFrom=this.from[i],iTo=this.to[i],iCss=this.css[i],iNow=this.now[i]={};
            
            for(var p in iFrom)iNow[p]=iCss[p].getNow(iFrom[p],iTo[p],this);
            }
        },
set:function(to){
    var parsed={};
    
    this.css={};
    
    for(var i in to){
        var iTo=to[i],iCss=this.css[i]={},iParsed=parsed[i]={};
        
        for(var p in iTo){
            iCss[p]=Fx.CSS.select(p,iTo[p]);
            iParsed[p]=iCss[p].parse(iTo[p]);
        }
        }
return this.parent(parsed);
    },
    start:function(obj){
        if(this.timer&&this.options.wait)return this;
        this.now={};
        
        this.css={};
        
        var from={},to={};
        
        for(var i in obj){
            var iProps=obj[i],iFrom=from[i]={},iTo=to[i]={},iCss=this.css[i]={};
            
            for(var p in iProps){
                var parsed=Fx.CSS.parse(this.elements[i],p,iProps[p]);
                iFrom[p]=parsed.from;
                iTo[p]=parsed.to;
                iCss[p]=parsed.css;
            }
            }
    return this.parent(from,to);
},
increase:function(){
    for(var i in this.now){
        var iNow=this.now[i],iCss=this.css[i];
        for(var p in iNow)this.elements[i].setStyle(p,iCss[p].getValue(iNow[p],this.options.unit,p));
        }
    }
    });
Fx.Scroll=Fx.Base.extend({
    options:{
        overflown:[],
        offset:{
            'x':0,
            'y':0
        },
        wheelStops:true
    },
    initialize:function(element,options){
        this.now=[];
        this.element=$(element);
        this.bound={
            'stop':this.stop.bind(this,false)
            };
            
        this.parent(options);
        if(this.options.wheelStops){
            this.addEvent('onStart',function(){
                document.addEvent('mousewheel',this.bound.stop);
            }.bind(this));
            this.addEvent('onComplete',function(){
                document.removeEvent('mousewheel',this.bound.stop);
            }.bind(this));
        }
    },
setNow:function(){
    for(var i=0;i<2;i++)this.now[i]=this.compute(this.from[i],this.to[i]);
},
scrollTo:function(x,y){
    if(this.timer&&this.options.wait)return this;
    var el=this.element.getSize();
    var values={
        'x':x,
        'y':y
    };
    
    for(var z in el.size){
        var max=el.scrollSize[z]-el.size[z];
        if($chk(values[z]))values[z]=($type(values[z])=='number')?values[z].limit(0,max):max;else values[z]=el.scroll[z];
        values[z]+=this.options.offset[z];
    }
    return this.start([el.scroll.x,el.scroll.y],[values.x,values.y]);
},
toTop:function(){
    return this.scrollTo(false,0);
},
toBottom:function(){
    return this.scrollTo(false,'full');
},
toLeft:function(){
    return this.scrollTo(0,false);
},
toRight:function(){
    return this.scrollTo('full',false);
},
toElement:function(el){
    var parent=this.element.getPosition(this.options.overflown);
    var target=$(el).getPosition(this.options.overflown);
    return this.scrollTo(target.x-parent.x,target.y-parent.y);
},
increase:function(){
    this.element.scrollTo(this.now[0],this.now[1]);
}
});
Fx.Slide=Fx.Base.extend({
    options:{
        mode:'vertical'
    },
    initialize:function(el,options){
        this.element=$(el);
        this.wrapper=new Element('div',{
            'styles':$extend(this.element.getStyles('margin'),{
                'overflow':'hidden'
            })
            }).injectAfter(this.element).adopt(this.element);
        this.element.setStyle('margin',0);
        this.setOptions(options);
        this.now=[];
        this.parent(this.options);
        this.open=true;
        this.addEvent('onComplete',function(){
            this.open=(this.now[0]===0);
        });
        if(window.webkit419)this.addEvent('onComplete',function(){
            if(this.open)this.element.remove().inject(this.wrapper);
        });
    },
    setNow:function(){
        for(var i=0;i<2;i++)this.now[i]=this.compute(this.from[i],this.to[i]);
    },
    vertical:function(){
        this.margin='margin-top';
        this.layout='height';
        this.offset=this.element.offsetHeight;
    },
    horizontal:function(){
        this.margin='margin-left';
        this.layout='width';
        this.offset=this.element.offsetWidth;
    },
    slideIn:function(mode){
        this[mode||this.options.mode]();
        return this.start([this.element.getStyle(this.margin).toInt(),this.wrapper.getStyle(this.layout).toInt()],[0,this.offset]);
    },
    slideOut:function(mode){
        this[mode||this.options.mode]();
        return this.start([this.element.getStyle(this.margin).toInt(),this.wrapper.getStyle(this.layout).toInt()],[-this.offset,0]);
    },
    hide:function(mode){
        this[mode||this.options.mode]();
        this.open=false;
        return this.set([-this.offset,0]);
    },
    show:function(mode){
        this[mode||this.options.mode]();
        this.open=true;
        return this.set([0,this.offset]);
    },
    toggle:function(mode){
        if(this.wrapper.offsetHeight==0||this.wrapper.offsetWidth==0)return this.slideIn(mode);
        return this.slideOut(mode);
    },
    increase:function(){
        this.element.setStyle(this.margin,this.now[0]+this.options.unit);
        this.wrapper.setStyle(this.layout,this.now[1]+this.options.unit);
    }
});
Fx.Transition=function(transition,params){
    params=params||[];
    if($type(params)!='array')params=[params];
    return $extend(transition,{
        easeIn:function(pos){
            return transition(pos,params);
        },
        easeOut:function(pos){
            return 1-transition(1-pos,params);
        },
        easeInOut:function(pos){
            return(pos<=0.5)?transition(2*pos,params)/2:(2-transition(2*(1-pos),params))/2;
        }
    });
};

Fx.Transitions=new Abstract({
    linear:function(p){
        return p;
    }
});
Fx.Transitions.extend=function(transitions){
    for(var transition in transitions){
        Fx.Transitions[transition]=new Fx.Transition(transitions[transition]);
        Fx.Transitions.compat(transition);
    }
    };
    
Fx.Transitions.compat=function(transition){
    ['In','Out','InOut'].each(function(easeType){
        Fx.Transitions[transition.toLowerCase()+easeType]=Fx.Transitions[transition]['ease'+easeType];
    });
};

Fx.Transitions.extend({
    Pow:function(p,x){
        return Math.pow(p,x[0]||6);
    },
    Expo:function(p){
        return Math.pow(2,8*(p-1));
    },
    Circ:function(p){
        return 1-Math.sin(Math.acos(p));
    },
    Sine:function(p){
        return 1-Math.sin((1-p)*Math.PI/2);
    },
    Back:function(p,x){
        x=x[0]||1.618;
        return Math.pow(p,2)*((x+1)*p-x);
    },
    Bounce:function(p){
        var value;
        for(var a=0,b=1;1;a+=b,b/=2){
            if(p>=(7-4*a)/11){
                value=-Math.pow((11-6*a-11*p)/4,2)+b*b;
                break;
            }
        }
    return value;
}

});
['Quad','Cubic','Quart','Quint'].each(function(transition,i){
    Fx.Transitions[transition]=new Fx.Transition(function(p){
        return Math.pow(p,[i+2]);
    });
    Fx.Transitions.compat(transition);
});
var Drag={};

























var Asset=new Abstract({
image:function(source,properties){
    properties=$merge({
        'onload':Class.empty,
        'onabort':Class.empty,
        'onerror':Class.empty
        },properties);
    var image=new Image();
    image.src=source;
    var element=new Element('img',{
        'src':source
    });
    ['load','abort','error'].each(function(type){
        var event=properties['on'+type];
        delete properties['on'+type];
        element.addEvent(type,function(){
            this.removeEvent(type,arguments.callee);
            event.call(this);
        });
    });
    if(image.width&&image.height)element.fireEvent('load',element,1);
    return element.setProperties(properties);
},


images:function(sources,options){
    options=$merge({
        onComplete:Class.empty,
        onProgress:Class.empty
        },options);
    if(!sources.push)sources=[sources];
    var images=[];
    var counter=0;
    sources.each(function(source){
        var img=new Asset.image(source,{
            'onload':function(){
                options.onProgress.call(this,counter);
                counter++;
                if(counter==sources.length)options.onComplete();
            }
        });
    images.push(img);
    });
return new Elements(images);
}
});

Fx.Accordion=Accordion;